A gunman went on a rampage Friday night near the University of California, Santa Barbara that left seven people dead, including him. Here are stories of the six victims, who were all students at the university.___

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Her friend Courtney Benjamin said Cooper, 22, was a painter with an outgoing side. The resident of Chino Hills, California, was about to graduate with a degree in art history.

"She was a self-proclaimed princess and I love her for that," Benjamin said. "And I know she has a crown on her head today."

Andrew Notohamiprodjo was Cooper's ballroom dance teacher three years ago and later supervised her as a teaching assistant in ballroom dance. Cooper was looking forward to graduating but planned to stay in town another year, he said.

"She was a lot of fun, super forward," he said.

Cooper graduated from Ruben S. Ayala High School in Chino Hills in 2010.

"Katie will be remembered for her generous spirit and warm heart. Veronika will be remembered for her vibrant personality and enthusiasm for life," Delta Delta Delta President Phyllis Durbin Grissom wrote.

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VERONIKA ELIZABETH WEISS

Weiss, 19, was first-year student from Westlake Village, California.

"She was always a happy person," said Eric Pursley, who worked with Weiss at a Target store in Thousand Oaks last year.

Weiss was a water polo player at Westlake High School who earned league honors during her senior year, according to the Thousand Oaks Acorn newspaper.___

CHRISTOPHER ROSS MICHAELS-MARTINEZ

Michaels-Martinez, 20, was an English major from Los Osos, California, who planned to go to London next year and to law school after graduation, his father, Richard Martinez, said at a Saturday press conference.

He pulled out a photo of his son as a small child in a Chicago Cubs baseball uniform and said they used to call him "mini-Sammy Sosa," referring to the former Cubs star.

The 20-year-old UCSB student was known for his selflessness. Friends said Michaels-Martinez, who served as residential adviser at a dorm last year, was the kind of guy who would welcome strangers into his home.

"If I was going through something, he was always there for me. If I needed something, he was there. If I needed a textbook, if I was locked out of the room because I forgot my key, he would stop playing basketball or doing what he was doing to unlock the door so I didn't have to get charged. He was just a great guy."

His father lambasted politicians and the National Rifle Association after his son's death. He told CNN's Kyung Lah that nothing has changed since the Sandy Hook Elementary School shootings in 2012, when 20 children and six adults were killed.

"Have we learned nothing? These will continue until somebody does something. Where the hell is the leadership?" Richard Martinez asked.

"He's our only child. And he died on Friday. I'm 61 years old now. I'll never have another child. He's gone."

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CHENG YUAN HONG

One of Elliot Rodger's roommates, Hong was among the first three killed. Hong, 20, was from San Jose, California.___

GEORGE CHEN

Chen, 19, was among the three young men found dead with multiple stab wounds in Rodger's apartment, the Santa Barbara sheriff's office said. Chen, also from San Jose, was listed on the lease for the apartment along with Hong and Rodger.___

WEIHAN WANG

Wang, 20, of Fremont, California, was among the three young men Rodger killed, authorities say. Investigators were trying to determine whether he was also a roommate or was visiting at the time of the attack.

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It was Friday night when Elliot Rodger's mother got a call from her son's therapist that he had emailed a ranting manifesto about going on a deadly rampage.

The mother went to her son's YouTube channel and found the video in which he threatens to kill people. She alerted authorities and set off frantically with her ex-husband to Santa Barbara. By the time they arrived, it was too late: their son had killed six people and then, authorities say, himself.

"They're in deep, deep grief," family friend Simon Astaire said Sunday as he recounted the family's ordeal. "Their grief which is nearly unbearable to be close to is as much for the loss of their son as for the victims."

It was the second time in recent months that Rodger's mother tried to intervene. In April, she had called one of her son's counselors after seeing bizarre videos he had posted on YouTube, though not the disturbing one he posted shortly before the killings, Astaire said. The counselor called a mental health service, which then called police.

Santa Barbara County Sheriff's deputies who showed up at Rodger's doorstep to check on his mental health, however, weren't aware of any videos, the department's spokeswoman Kelly Hoover said. They concluded after their visit that the well-mannered if shy young man posed no risk. Sheriff Bill Brown has defended the deputies' actions, but the case highlights the challenges that police face in assessing the mental health of adults, particularly those with no history of violent breakdowns, institutionalizations or serious crimes.

"Obviously, looking back on this, it's a very tragic situation and we certainly wish that we could turn the clock back and maybe change some things," Brown told CBS' "Face the Nation" on Sunday.

"At the time deputies interacted with him, he was able to convince them that he was OK," he said.

Rodger, writing in a manifesto, said the police asked whether he had suicidal thoughts, and he was able to convince them he was fine. He said he was relieved his apartment wasn't searched because deputies would have uncovered the cache of weapons he used in the rampage in Isla Vista.

He posted at least 22 YouTube videos. He wrote in his manifesto that he uploaded most of his videos in the week leading up to April 26, when he originally planned to carry out his attacks. He postponed his plan after catching a cold.

"On the week leading up to date I set for the Day of Retribution, I uploaded several videos onto YouTube in order to express my views and feelings to the world, though I don't plan on uploading my ultimate video until minutes before the attack, because on that video I will talk about exactly why I'm doing this," Rodger wrote.

In the final video posted Friday, he sits in a black BMW in sunset light and appears to be acting out scripted lines and planned laughs.

"I'll take great pleasure in slaughtering all of you," the son of a Hollywood director who worked on "The Hunger Games" says.

In his videos and writings, Rodger voices his contempt for everyone from his roommates to the human race, reserving special hate for two groups: the women he says kept him a virgin for all of his 22 years and the men they chose instead.

"My orchestration of the Day of Retribution is my attempt to do everything, in my power, to destroy everything I cannot have," Rodger wrote. "All of those beautiful girls I've desired so much in my life, but can never have because they despise and loathe me, I will destroy. All of those popular people who live hedonistic lives of pleasure, I will destroy, because they never accepted me as one of them. I will kill them all and make them suffer, just as they have made me suffer. It is only fair," Rodger said.

The rampage played out largely as he sketched it in public postings. He said he would start by "silently killing as many people as I can around Isla Vista by luring them into my apartment through some form of trickery." He said he would knock them out with a hammer, and slit their throats.

On Sunday, the sheriff's office identified the final victims as Cheng Yuan Hong, 20, and George Chen, 19 - both from San Jose - and Weihan Wang, 20, of Fremont. Hong and Chen were listed on the lease as Rodger's roommates. Investigators were trying to determine whether Wang was a roommate or was visiting the apartment.

Around 9:30 p.m., the shooting rampage began and lasted about 10 minutes.

In the end, he shot and killed three others at random, and injured 13 more either with gunshots or the BMW that he used as a battering ram against bicyclists and skateboarders.

Deputies found three semi-automatic handguns along with 400 unspent rounds in the car. All were purchased legally.